package com.jh.webmagic;

import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
import us.codecraft.webmagic.processor.PageProcessor;

public class GithubRepoPageProcessor implements PageProcessor {

    private Site site = Site.me().setRetryTimes(3).setSleepTime(1000);

    @Override
    public void process(Page page) {
        page.addTargetRequests(page.getHtml().links()
                .regex("(https://github\\.com/\\w+/\\w+)").all());
        page.putField("author",
                page.getUrl().regex("https://github\\.com/(\\w+)/.*")
                        .toString());
        page.putField(
                "name",
                page.getHtml()
                        .xpath("//h1[@class='entry-title public']/strong/a/text()")
                        .toString());
        if (page.getResultItems().get("name") == null) {
            // skip this page
            page.setSkip(true);
        }
        page.putField("readme",
                page.getHtml().xpath("//div[@id='readme']/tidyText()"));
    }

    @Override
    public Site getSite() {
        return site;
    }

    public static void main(String[] args) {
        Spider.create(new GithubRepoPageProcessor())
//                .addUrl("https://github.com/code4craft").thread(5).run();
                .addUrl("https://github.com/code4craft").thread(5).start();
        System.out.println("结束了。。。");
    }
}